var images		= new Array();
var imagesOn	= new Array();
var names		= new Array("enter");
var numimages   = names.length;
var selected    = 0;


for (i=1; i<=numimages; i++) {
	image		= new Image();
	imageOn		= new Image();
	name		= names[i-1];
	image.src   = "/images/intro/" + name + ".gif"; 
	imageOn.src = "/images/intro/" + name + "_on.gif";
	images[i]	= image;
	imagesOn[i] = imageOn;
}

function setI(nr) {
	if (nr == selected) return;
    if (document.images) {
        name = "intro" + nr;
        document.images[name].src = imagesOn[nr].src;
    }
}

function unsetI(nr) {
	if (nr == selected) return;
    if (document.images) { 
        name = "intro" + nr;
        document.images[name].src = images[nr].src;
    }
}

function openWin() {
	var tramain = window.open("/start.shtml","tramain", "width=770,height=550");
}